Corrected entry: In the first four episodes, Stan's house has a purple wall and a yellow carpet. Then in "An Elephant Makes Love To A Pig" it has a purple wall and a brown carpet, which it continues to have for the rest of the seasons. But in "The Return of Chef" it goes back to having a purple wall and a yellow carpet.

Correction:Many people, like Stan's parents, have bought a new carpet and changed it again at a later date.

Corrected entry: For maybe the first four seasons, Stand and Kyle's voices stayed the same, after season four though, they seemed to have gotten deeper. Couldn't have been because of puberty because if that was the case Cartman's voice would have changed also.

Correction:Obviously you are not aware of the fact that many guys can experience puberty and deeper voices at a later age than others. Aside from that fact, this mistake is more built on opinion rather than any fact. I have watched South Park for many years and there is no example to prove this observation.

Corrected entry: In episode 8-14 "Stupid Spoiled Whore Video Playset," Paris Hilton is defeated in the "Whore Off" by Mr. Slave. Soon she meets the Frog King who tells her that she must travel through Mr. Slave's intestine or she will surely die. The problem is that when the hamster Lemmiwinks freed himself in Season Six, episode 14, all of Mr. Slave's "friends" were freed with him, including the Frog King. Why did they come back?

Correction:Well, seeing how all of Lemmiwinks' "helpers" inside Mr. Slave were spiritual, it is impossible to say for certain what their exact limitations and powers were. One possible explanation is that the Frog King really did leave mr. Slave, but chose to reappear inside him when needed to help others who would be trapped there. Or it is possible that they had gained the freedom to leave, but never actually did so. It basically boils down to a character decision, which is not a mistake unless you specifically know their motivations.

Corrected entry: Chef is never shown from his side. He's either facing the camera or facing directly away from it, even when he's walking across the screen, not turning 90 degrees like other characters.

Correction:Chef is shown walking side on in the episode Cartman Gets an Anal Probe (series 1). For what it's worth, I first read this trivia entry yesterday and thought "Hey, that's right." Then last night I just happened to see Cartman Gets an Anal Probe on TV and there it was.

Corrected entry: In the first episode "Cartman gets an Anal Probe" Stan throws up whenever Wendy tries to talk to him. He also throws up at gore during "South Park Bigger, Longer and Uncut". But he rarely pukes at gore or when Wendy speaks to him in the episodes.

Correction:This isn't a goof, its just the characters' personalities and behavior changing. Its no different from Cartman's voice being different in the 9th season as compared to the 1st season.

Corrected entry: Cut-out characters frequently cast shadows on the background where they shouldn't. A good example is during "Weight gain 4000" - when Mr Garrison is talking to officer Barbrady, he casts a shadow on the sky. This is very noticeable on almost every episode.

Correction:This isn't a mistake, its part of the gag of the show: the incredibly simplistic animated style isn't intended to be photorealistic. Incidentally, the only episode of the show that is cut-outs is "Cartman Gets an Anal Probe." Every subsequent episode is animated via computer software.

Corrected entry: After the episodes "Cartman's mom is a dirty slut" and "Cartman's mom is still a dirty slut," in which we find out that Cartman's mom is actually his father and his mother is yet to be found, Cartman's mom is still always mentioned as Cartman's mom even when the kids say Cartman has no mom, and also they say he has no dad.

The creators of the show, Matt Stone and Trey Parker, based the Stan Marsh and Kyle Brosfloski characters after themselves (Stan being Parker and Kyle being Stone.) The Eric Cartman character was partly based on Archie Bunker.